package cts.db;

import java.util.List;
import java.util.Set;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for
 * StuSolution entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see cts.db.StuSolution
 * @author MyEclipse Persistence Tools
 */

public class StuSolutionDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(StuSolutionDAO.class);
	// property constants
	public static final String OBJ_SCORE = "objScore";
	public static final String SUB_SCORE = "subScore";
	public static final String TOTAL_SCORE = "totalScore";

	public void save(StuSolution transientInstance) {
		log.debug("saving StuSolution instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(StuSolution persistentInstance) {
		log.debug("deleting StuSolution instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public StuSolution findById(java.lang.Integer id) {
		log.debug("getting StuSolution instance with id: " + id);
		try {
			StuSolution instance = (StuSolution) getSession().get(
					"cts.db.StuSolution", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(StuSolution instance) {
		log.debug("finding StuSolution instance by example");
		try {
			List results = getSession().createCriteria("cts.db.StuSolution")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding StuSolution instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from StuSolution as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByObjScore(Object objScore) {
		return findByProperty(OBJ_SCORE, objScore);
	}

	public List findBySubScore(Object subScore) {
		return findByProperty(SUB_SCORE, subScore);
	}

	public List findByTotalScore(Object totalScore) {
		return findByProperty(TOTAL_SCORE, totalScore);
	}

	public List findAll() {
		log.debug("finding all StuSolution instances");
		try {
			String queryString = "from StuSolution";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public StuSolution merge(StuSolution detachedInstance) {
		log.debug("merging StuSolution instance");
		try {
			StuSolution result = (StuSolution) getSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(StuSolution instance) {
		log.debug("attaching dirty StuSolution instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(StuSolution instance) {
		log.debug("attaching clean StuSolution instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}